MayRain MayRain
  • 01-03-2018
  • Mathematics
contestada

The area of a circle is 225 pie square inches. Find the area of the sector whose central angle is 45°.

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 01-03-2018
Consider this option:
The central angle for whole circle is 360°, it means that angle 45° has 45/360=1/8 part of the circle.
If the area of the circle is 225π, then the area of the sector 45° is 225π/8≈28.125π (in.²)

answer: 28.125π in².
Answer Link

Otras preguntas

An oak tree that is 220 years old produced acorns at two different rates. Until it reached maturity, it produced an average of 900 acorns a year. However, once
Which statement best describes how the energy stored in ATP is released to drive biochemical reactions? a. Energy is released when the ribose sugar reacts with
Give an example of oxidation reaction which can be a nuisance
select difference of (8x2-3x3) - (2x2-5x3)
Simplify (7-8i)+(-12-4i)
Fill in the gaps: .... to the legendary film director Orson Wells, music accounts .... half the work in a movie, mostly without the audience even knowing the na
what is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10
what is the balanced chemical equation for caffeine?
What is one half added to three tenths
Simplify (7-8i)+(-12-4i)